scholarly journals 5,8-Dimethoxy-3,9-dimethyl-3a,4,9,9a-tetrahydro-4,9-epoxynaphtho[2,3-d]isoxazole

2014 ◽  
Vol 70 (5) ◽  
pp. o544-o544 ◽  
Author(s):  
Alan J. Lough ◽  
Jaipal R. Nagireddy ◽  
William Tam
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Methyl Group ◽  
Isoxazole Ring ◽  
Compound C ◽  
Dimensional Network ◽  
Weak Hydrogen Bonds

The title compound, C15H17NO4, is theexoisomer with asynarrangement of the O atom in the isoxazole ring to the methyl group of the bicyclic alkene. The dihedral angle between the isoxazole ring and the benzene ring is 7.42 (9)°. In the crystal, weak C—H...O hydrogen bonds link molecules, forming a three-dimensional network. The isoxazole O atom is an acceptor for both weak hydrogen bonds.

scholarly journals 4-[(5,5-Dimethyl-3-oxocyclohex-1-enyl)amino]benzenesulfonamide

2012 ◽  
Vol 68 (8) ◽  
pp. o2370-o2370
Author(s):  
Mansour S. Al-Said ◽  
Mostafa M. Ghorab ◽  
Hazem A. Ghabbour ◽  
Ching Kheng Quah ◽  
Hoong-Kun Fun
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Chair Conformation ◽  
Compound C ◽  
Cyclohexene Ring ◽  
Dimensional Network

In the title compound, C14H18N2O3S, the cyclohexene ring exhibits a distorted half-chair conformation and its mean plane makes a dihedral angle of 46.18 (8)° with the benzene ring. In the crystal, molecules are linkedviaN—H...O, N—H...(O,O) and C—H...O hydrogen bonds, forming a three-dimensional network.

scholarly journals 2-Nitrobenzyl methanesulfonate

2014 ◽  
Vol 70 (5) ◽  
pp. o616-o616 ◽  
Author(s):  
Venkatramu Anuradha ◽  
S. Madan Kumar ◽  
B. P. Siddaraju ◽  
N. K. Lokanath ◽  
P. Nagendra
Keyword(s):  
Hydrogen Bonds ◽  
Nitro Group ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Compound C ◽  
Dimensional Network

In the title compound, C8H9NO5S, the dihedral angle between the benzene ring and the nitro group is 5.86 (15)° and the C—C—O—S group adopts ananticonformation [torsion angle = −168.44 (15)°]. In the crystal, molecules are linked by C—H...O hydrogen bonds, generating a three-dimensional network.

scholarly journals (E)-4-Bromo-N′-(4-hydroxy-3-methoxybenzylidene)benzohydrazide monohydrate

2012 ◽  
Vol 68 (4) ◽  
pp. o1069-o1070 ◽  
Author(s):  
Jirapa Horkaew ◽  
Suchada Chantrapromma ◽  
Teerasak Anantapong ◽  
Akkharawit Kanjana-Opas ◽  
Hoong-Kun Fun
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Methoxy Group ◽  
Three Dimensional ◽  
Compound C ◽  
Dimensional Network ◽  
Benzene Rings

In the title compound, C15H13BrN2O3·H2O, the dihedral angle between the two benzene rings is 13.92 (6)°. The methoxy group of the 4-hydroxy-3-methoxyphenyl is almost coplanar with its bound benzene ring, as seen by the Cmethyl—O—C—C torsion angle of −0.35 (16)°. In the crystal, molecules are linked into a three-dimensional network by N—H...O, O—H...N and O—H...O hydrogen bonds and also weak C—H...O interactions. A short C...O contact of 3.0191 (15) Å is also present.

scholarly journals 2-(4-Isobutylphenyl)-N′-[(3Z)-2-oxoindolin-3-ylidene]propanohydrazide

2012 ◽  
Vol 68 (4) ◽  
pp. o1222-o1223 ◽  
Author(s):  
Shaaban K. Mohamed ◽  
Mehmet Akkurt ◽  
Mustafa R. Albayati ◽  
Kuldip Singh ◽  
Herman Potgieter
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Maximum Deviation ◽  
Compound C ◽  
Dimensional Network

In the title compound, C21H23N3O2, the indolin-2-one group is essentially planar, with a maximum deviation of 0.016 (2) Å for the N atom, and makes a dihedral angle of 84.38 (14)° with the benzene ring. The =N—N(H)—C(=O)—C– torsion angle is 0.9 (3)°. In the crystal, molecules are linked into a three-dimensional networkviaN—H...O and C—H...O hydrogen bonds. In addition, a C—H...π interaction was observed.

scholarly journals Crystal structure of 2-(4-chloro-3-fluorophenyl)-1H-benzimidazole

2015 ◽  
Vol 71 (6) ◽  
pp. o387-o388 ◽  
Author(s):  
M. S. Krishnamurthy ◽  
Noor Shahina Begum
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Ring System ◽  
Benzimidazole Ring ◽  
Compound C ◽  
Dimensional Network

In the title compound, C13H8ClFN2, the dihedral angle between the plane of the benzimidazole ring system (r.m.s. deviation = 0.022 Å) and the benzene ring is 26.90 (8)°. The F atom at themetaposition of the benzene ring is disordered over two sites in a 0.843 (4):0.157 (4) ratio. In the crystal, molecules are linked by N—H...N hydrogen bonds, forming infiniteC(4) chains propagating along [010]. In addition, weak C—H...π and π–π interactions [shortest centroid–centroid separation = 3.6838 (12) Å] are observed, which link the chains into a three-dimensional network.

scholarly journals 3,3′-Dicyclopentyl-1,1′-(1,3-phenylenedimethylene)dibenzimidazol-1-ium bis(hexafluorophosphate)

2012 ◽  
Vol 68 (6) ◽  
pp. o1868-o1868
Author(s):  
Rosenani A. Haque ◽  
S. Fatimah Nasri ◽  
Mohd Mustaqim Rosli ◽  
Hoong-Kun Fun
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Chair Conformation ◽  
Benzimidazole Ring ◽  
Rotation Symmetry ◽  
Compound C ◽  
Dimensional Network

In the title compound, C32H36N4 2+·2PF6 −, the cation and the anions each have crystallographic twofold rotation symmetry. The benzimidazole ring is almost planar [r.m.s. deviation = 0.0161 (1) Å] and makes a dihedral angle of 5.77 (4)° with its symmetry-related component and a dihedral angle of 80.96 (5)° with the central benzene ring. The cyclopentyl ring adopts a half-chair conformation. In the crystal, molecules are linked into a three-dimensional network through C—H...F hydrogen bonds. A C—H...π interaction is also observed.

scholarly journals 2-Methoxy-6-(6-methyl-1H-benzimidazol-2-yl)phenol

2009 ◽  
Vol 65 (6) ◽  
pp. o1256-o1256 ◽  
Author(s):  
Hui-Quan Xiao ◽  
Ming-Zhu Zhang ◽  
Wei Wang
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Network Structure ◽  
Title Compound ◽  
Three Dimensional ◽  
Methyl Group ◽  
Compound C ◽  
Dimensional Network

The molecule of the title compound, C15H14N2O2is almost planar, the dihedral angle between the 6-methyl-1H-benzimidazole plane and the 2-methoxyphenol plane being 6.9 (2)°. An intramolecular O—H...N hydrogen bond is present. Adjacent molecules are linked by N—H...O hydrogen bonds into a three-dimensional network structure. The benzoimidazole methyl group and its attached C atom are positionally disordered in a 0.724 (4):0.276 (4) ratio.

scholarly journals Crystal structure of 5-hydroxymethyl-2-methoxyphenol

2015 ◽  
Vol 71 (8) ◽  
pp. o540-o541
Author(s):  
Mubashir Hassan ◽  
Zaman Ashraf ◽  
Sung-Yum Seo ◽  
Daeyoung Kim ◽  
Sung Kwon Kang
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Hydroxymethyl Group ◽  
Compound C ◽  
Dimensional Network ◽  
Methoxy Groups

In the title compound, C8H10O3, the hydroxymethyl group is twisted by 74.51 (13)° from the plane of the benzene ring to which it is connected. By contrast, the benzene and methoxy groups are almost coplanar, making a dihedral angle of 4.0 (2)°. In the crystal, O—H...O hydrogen bonds link the molecules into a three-dimensional network.

scholarly journals (Z)-1-(4-Methylphenyl)-2-(phenylsulfonyl)ethanone oxime

2012 ◽  
Vol 68 (8) ◽  
pp. o2369-o2369
Author(s):  
Hoong-Kun Fun ◽  
Tze Shyang Chia ◽  
Khalid A. Al-Rashood ◽  
Hatem A. Abdel-Aziz
Keyword(s):  
Hydrogen Bonds ◽  
Benzene Ring ◽  
Dihedral Angle ◽  
Torsion Angle ◽  
Title Compound ◽  
Phenyl Ring ◽  
Three Dimensional ◽  
Compound C ◽  
Dimensional Network

The molecule of the title compound, C15H15NO3S, has a twisted U-shaped conformation: the twist occurs at the central C—S(=O)2—C—C—C unit and the benzene ring makes a dihedral angle of 28.74 (7)° with the phenyl ring. The S—C—C=N torsion angle is −88.95 (13)°. In the crystal, inversion dimers linked by pairs of O—H...N hydrogen bonds generateR22(6) loops, and C—H...O hydrogen bonds connect the dimers into a three-dimensional network.

scholarly journals Crystal structure of 5-[(4-carboxybenzyl)oxy]isophthalic acid

2016 ◽  
Vol 72 (8) ◽  
pp. 1219-1222
Author(s):  
Md. Serajul Haque Faizi ◽  
Musheer Ahmad ◽  
Akram Ali ◽  
Vadim A. Potaskalov
Keyword(s):  
Crystal Structure ◽  
Hydrogen Bonds ◽  
Dihedral Angle ◽  
Title Compound ◽  
Three Dimensional ◽  
Molecular Shape ◽  
Isophthalic Acid ◽  
Compound C ◽  
Dimensional Network ◽  
Benzene Rings

The molecular shape of the title compound, C16H12O7, is bent around the central CH2—O bond. The two benzene rings are almost perpendicular to one another, making a dihedral angle of 87.78 (7)°. In the crystal, each molecule is linked to three others by three pairs of O—H...O hydrogen bonds, forming undulating sheets parallel to thebcplane and enclosingR22(8) ring motifs. The sheets are linked by C—H...O hydrogen bonds and C—H...π interactions, forming a three-dimensional network.

Sign in / Sign up

Export Citation Format

Share Document